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Finding the Fourth Proportional to 545,831.60, 818,747.40 and 524,836.40

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Solution

The fourth proportional to 545,831.60, 818,747.40 and 524,836.40 is: 787,254.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,831.60 : 818,747.40 = 524,836.40 : x
  2. Step 2: Convert to fraction form
    545,831.60/818,747.40 = 524,836.40/x
  3. Step 3: Cross multiply
    545,831.60x = 818,747.40 × 524,836.40
  4. Step 4: Simplify right side
    545,831.60x = 429,708,437,925.36
  5. Step 5: Solve for x
    x = 429,708,437,925.36/545,831.60
  6. Step 6: Final answer
    x = 787,254.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.