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Finding the Fourth Proportional to 560,303.83, 836,085.70 and 499,917.20

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Solution

The fourth proportional to 560,303.83, 836,085.70 and 499,917.20 is: 745,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,303.83 : 836,085.70 = 499,917.20 : x
  2. Step 2: Convert to fraction form
    560,303.83/836,085.70 = 499,917.20/x
  3. Step 3: Cross multiply
    560,303.83x = 836,085.70 × 499,917.20
  4. Step 4: Simplify right side
    560,303.83x = 417,973,624,657.51
  5. Step 5: Solve for x
    x = 417,973,624,657.51/560,303.83
  6. Step 6: Final answer
    x = 745,976.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.