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Finding the Fourth Proportional to 528,598.46, 729,465.59 and 299,151.58

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Solution

The fourth proportional to 528,598.46, 729,465.59 and 299,151.58 is: 412,829.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,598.46 : 729,465.59 = 299,151.58 : x
  2. Step 2: Convert to fraction form
    528,598.46/729,465.59 = 299,151.58/x
  3. Step 3: Cross multiply
    528,598.46x = 729,465.59 × 299,151.58
  4. Step 4: Simplify right side
    528,598.46x = 218,220,780,484.71
  5. Step 5: Solve for x
    x = 218,220,780,484.71/528,598.46
  6. Step 6: Final answer
    x = 412,829.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.